/* GStreamer

 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 */

#ifndef __GST_SMPTE_ALPHA_H__

#define __GST_SMPTE_ALPHA_H__

#include <gst/gst.h>

#include <gst/video/video.h>

#include <gst/video/gstvideofilter.h>

G_BEGIN_DECLS

#include "gstmask.h"

#define GST_TYPE_SMPTE_ALPHA \

  (gst_smpte_alpha_get_type())

#define GST_SMPTE_ALPHA(obj) \

  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SMPTE_ALPHA,GstSMPTEAlpha))

#define GST_SMPTE_ALPHA_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SMPTE_ALPHA,GstSMPTEAlphaClass))

#define GST_IS_SMPTE_ALPHA(obj) \

  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SMPTE_ALPHA))

#define GST_IS_SMPTE_ALPHA_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SMPTE_ALPHA))

typedef struct _GstSMPTEAlpha GstSMPTEAlpha;

typedef struct _GstSMPTEAlphaClass GstSMPTEAlphaClass;

struct _GstSMPTEAlpha {

  GstVideoFilter element;

  /* properties */

  gint           type;

  gint           border;

  gint           depth;

  gdouble        position;

  gboolean       invert;

  /* negotiated format */

  GstVideoFormat in_format, out_format;

  gint           width;

  gint           height;

  /* state of the effect */

  GstMask       *mask;

  /* processing function */

  void (*process) (GstSMPTEAlpha * smpte, const GstVideoFrame * in, GstVideoFrame * out,

    GstMask * mask, gint border, gint pos);

};

struct _GstSMPTEAlphaClass {

  GstVideoFilterClass parent_class;

};

GType gst_smpte_alpha_get_type (void);

gboolean gst_smpte_alpha_plugin_init (GstPlugin * plugin);

G_END_DECLS

#endif /* __GST_SMPTE_ALPHA_H__ */